Int. J. of Applied Mathematics, Computational Science and Systems Engineering

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Article

Radio Channel Models for Wireless Sensor Networks in Smart City Applications

Author(s): Andrej Hrovat, Tomaž Javornik

Abstract: In this paper we present the measurements at three different carrier frequencies, i.e. 400 MHz, 868 MHz and 2.4 GHz, in two different propagation environments, namely an open area and tunnel. They are compared to empirical path loss models suitable for the particular environment. In an open area the plane earth model fits the measurements better than two slope model. The measurements performed in tunnel environment were evaluated by four slope empirical path loss model. The comparison confirmed the adequacy of the empirical model for performing the path loss calculation and communication range estimation in tunnels and street corridors

Keywords: four slope model, path loss, plane earth model, TETRA, two slope model, wireless senzor networks

Pages: 71-75

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